trends of atoms

Question 1

atomic size __ down a group & __ across a period

Answer 1

increases; decreases

Question 2

ionization energy __ down a group & __ across a period

Answer 2

decreases; increases

Question 3

electron affinity __ down a group & __ across a period

Answer 3

decreases; increases (with many exceptions)

Question 4

metallic behavior __ down a group & __ across a period

Answer 4

increases; decreases

Question 5

as isoelectronic ion sizes decrease, the nuclear charge __

Answer 5

increases